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SERVICE MANUAL
BPM-1
PROFESSIONAL AUTOMATIC BEAT COUNTER
CONTENT'S:
Connections & Operations:.......................................................Page 2-3
Specifications:..............................................................................Page 3
Parts Lists:.................................................................................Page 3-4
PCBs:..........................................................................................Page 5-6
Schematics:..................................................................................Page 7
Gemini Sound Products Corp.
120 Clover Place P.O. Box 6928
Edison, NJ 08818-6928
732-738-9003 (Phone) • 732-738-9006 (Fax)
Page 1
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Summary of Contents for Gemini BPM-1
- Page 1 SERVICE MANUAL BPM-1 PROFESSIONAL AUTOMATIC BEAT COUNTER CONTENT’S: Connections & Operations:............Page 2-3 Specifications:................Page 3 Parts Lists:.................Page 3-4 PCBs:..................Page 5-6 Schematics:..................Page 7 Gemini Sound Products Corp. 120 Clover Place P.O. Box 6928 Edison, NJ 08818-6928 732-738-9003 (Phone) • 732-738-9006 (Fax) Page 1...
- Page 2 Page 2...
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Page 3: Operation
BPM Range................60 - 180 BPM Power Adapter............115V/15V AC 500 mA 3. The BPM-1 is supplied with 4 sets of OUTPUT (1, 4, 7, 10) jacks. If you 230V/15V AC 500 mA are using a turntable and have the input set to phono, the Dimensions........19”w x 1.75”h x 3”d (483 x 44 x 78 mm) - Page 4 Parts Lists - Meter PCB Item # Designators Description Part # INTEGRATED CIRCUIT M66313FP 074-155 INTEGRATED CIRCUIT SC87C51CCN40 074-157 Electrical Parts Item # Designators Description Part # A, B LED NUMERIC DISPLAY 080-102 D1-2, D6-7, LIGHT EMITTING DIODE (RED) 3ø 080-003 D20-27, D30 D3, D5...
- Page 5 SERVICE MANUAL BPM-1 PROFESSIONAL AUTOMATIC BEAT COUNTER CONTENT’S: Connections & Operations:............Page 2-3 Specifications:................Page 3 Parts Lists:.................Page 3-4 PCBs:..................Page 5-6 Schematics:..................Page 7 Gemini Sound Products Corp. 120 Clover Place P.O. Box 6928 Edison, NJ 08818-6928 732-738-9003 (Phone) • 732-738-9006 (Fax) Page 1...
- Page 6 Page 2...
- Page 7 BPM Range................60 - 180 BPM Power Adapter............115V/15V AC 500 mA 3. The BPM-1 is supplied with 4 sets of OUTPUT (1, 4, 7, 10) jacks. If you 230V/15V AC 500 mA are using a turntable and have the input set to phono, the Dimensions........19”w x 1.75”h x 3”d (483 x 44 x 78 mm)
- Page 8 Parts Lists - Meter PCB Item # Designators Description Part # INTEGRATED CIRCUIT M66313FP 074-155 INTEGRATED CIRCUIT SC87C51CCN40 074-157 Electrical Parts Item # Designators Description Part # A, B LED NUMERIC DISPLAY 080-102 D1-2, D6-7, LIGHT EMITTING DIODE (RED) 3ø 080-003 D20-27, D30 D3, D5...
- Page 9 Main PCB Page 5...
- Page 10 Meter PCB Page 6...
- Page 11 Schematic R119 LED4A C100 LED3A LED2A LED1A LED1A C101 LED1B LED2B LED3B LED4B BT-A41 CH B LED2A INT1 R121 CH A INT0 47pF LED3A EA/VP METER PCB 47pF RESET LED4A ALE/P a1b.1c PSEN R120 8051 10/10 MAIN PCB SW1A LED1B b1b,1c BT-A41 SW1B...